Least common denominator of 3/10 and 7/8

Ihonestly don’t understand this at all

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2